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Next Scheduled Seminar: To Be Announced

SEMINAR PURPOSE

Dealing with concrete specifications, troubleshooting low-strength problems and ensuring proper mixture submittals can be expensive and time consuming. This one-day course will get into the code and specification requirements (ACI 318, 301, ASTM C94) governing ready mixed concrete, including the new ACI Building Code 318-08 exposure categories. It will suggest specification revisions for all around benefits in performance and cost based on a specification guideline document. The guideline document is the result of reviewing numerous concrete specifications (Section 03300) belonging to large owners, and it has been reviewed and supported by the NRMCA Research, Engineering & Standards (RES) Committee.

WHO SHOULD ATTEND?

Producers and contractors who attend this seminar will benefit in their discussions with design professionals. Equipped with in-depth knowledge about improving concrete specifications, they will better be able to address performance issues, avoid conflict, and save money. Producers, contractors, engineers and testing labs will learn much from the discussions on investigating low-strength problems, helping them to avoid issues that impact partnering, project cost and schedule. For concrete producers, understanding how to do a proper mixture submittal is an essential skill, and it will be thoroughly covered during this seminar.

WHAT YOU WILL LEARN

Troubleshooting low strength problems is perhaps the primary reason for back charges for a concrete company. This could be almost entirely avoided by knowledgeable concrete technical personnel. The course will cover the analysis of strength test results to identify the causes of low-strength problems, including technician competence, and will provide guidance in tracking compliance with specification requirements. Other topics to be discussed include non-destructive testing techniques (such as the Rebound Hammer), core testing, evaluating core test results for acceptance, and the assignment of responsibility.

Another part of this course provides the necessary details required for an efficient concrete mixture submittal following the ACI 318 flowchart for Selection of Concrete Mixtures. Analysis of a typical mixture submittal will be conducted as a group exercise.

PRESENTATION HAND-OUTS

1. Print-out of the presentations
    

2. NRMCA Publication: Guide to Improving Concrete Specifications
    

3. NRMCA / ASCC Pre-Construction Checklist
    

4. Flowchart: ACI 318 Mixture Submittal Process
    

5. CD-ROM of P2P (Prescriptive-to-Performance specification) documents
    

6. CD-ROM of computer program for analyzing concrete test results
    

7. NRMCA Publications:
    

   • No. 133: In-Place Concrete Strength Evaluation: A Recommended Practice

   • No. 179: Review of Variables that Influence Measured Compressive Strength

   • No. 185: Understanding Concrete Core Testing
      

8. Related Concrete In Practice topics – CIP numbers 9, 10, 34, 35, and 41
    

9. Selected publications by Mr. Luke Snell

► Worth Over $350 Total!

FORMAT & AGENDA

The course will be taught in a one-day format.

SEMINAR INSTRUCTION

Luke Snell and one NRMCA engineer (profiled below) will lead the seminar.

• Luke M. Snell   P.E., FACI, FASCE
  Eminent Scholar of the Concrete Industry Management Program at Arizona State University's
  Del E. Webb School of Construction
  Mr. Snell has done extensive consulting work on construction and concrete problems throughout the U.S., Saudi Arabia, Mongolia, and Algeria. He has also written over 200 articles on concrete, construction materials, and construction education. Snell is the Chair of the ACI International Committee and ACI Committee 120, History of Concrete and a member of several ACI Committees. He is also a past member of the Board of Direction. Snell is an ACI Fellow and received the ACI Joe W. Kelly Award in 1995, the ACI Chapter Activities Award in 1997, and was the ACI Educational Committee Member of the Year in 2002. He was named one of the "Ten Most Influential People of the Year in the Concrete Industry" by Concrete Construction and Concrete Producer magazines in 2007. He has received various awards, including Construction Laureate of Mongolia (2007) and the Henry L. Kennedy Award from ACI (2008). His research interests include construction materials and concrete construction. He is a licensed Professional Engineer in Missouri, Illinois, and Arizona.
   

• Karthik Obla   Ph.D., P.E.
  Vice President, Technical Services, National Ready Mixed Concrete Association
  With over 18 years of experience in concrete technology, research, materials, and products, Dr. Obla he is responsible for the research program and laboratory at NRMCA. A Fellow of ACI and a winner of ACI’s Young Professional Achievement Award, Dr. Obla is an active member of various ACI, ASTM, and TRB technical committees and serves as Chair for ASTM C09.49 – Pervious Concrete and ACI 232 – Fly ash. He has published over 50 technical articles in journals and has presented in several international conferences. He holds a Ph.D. in Civil Engineering from University of Michigan, Ann Arbor and is a licensed professional engineer in the state of Michigan and Maryland. He served as Vice-President and President for the ACI San Antonio Chapter.
   

• Colin Lobo   Ph.D., P.E.
  Senior Vice President, Engineering, National Ready Mixed Concrete Association
  Dr. Lobo is a registered professional engineer in the state of Maryland. He has a doctorate in concrete materials from Purdue University. A member of the ACI Committees 318 and 301, building code and specifications for structural concrete. He is also active on several ASTM Committees that develop standards for concrete and concrete making materials. He has developed and coordinated several courses and seminars on concrete technology and applications and has authored books, journal and magazine articles. Mr. Lobo is responsible for the research, education and certification activities at NRMCA.
   

PROFESSIONAL DEVELOPMENT HOURS

Architects and engineers will earn 8 Professional Development Hours upon completion of this program. A certificate of completion will be provided to all attendees. This program also fulfills some of the requirements for NRMCA’s STEPS™ Certified Concrete Professional program.

REGISTRATION FEE:

$295.00   (Members & Non-Members)

TRAVEL & REGISTRATION

For detailed information, see the seminar's downloadable PDF brochure. Please direct any questions to Jessica Moore, NRMCA Meetings Manager.

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